The missing label problem and the analytical Bethe ansatz
arXiv:2112.09736 · doi:10.1142/S0217751X22500385
Abstract
The missing label for basis vectors of representations corresponding to the reduction can be provided by the eigenvalues of scalars in the enveloping algebra of . There are only two such independent elements of degree three and four. It is shown how the one of degree four can be diagonalized using the analytical Bethe ansatz.
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